you got to have a wisconsin mini primary, apparently, with paul ryan. walker notably would not pledge to serve a full second term. one more thing. all the 2016 speculation was not on the republican side this weekend. former white house adviser david plouffe weighed in on the presidential election at the 92nd street y. >> i'm not going to speak to what secretary of state clinton will or will not do. she is in both parties now. by far i think the most interesting candidate. probably the strongest candidate. >> there you go. his fellow delawarean probably doesn't like to hear that. but he probably knows that that's true. >>> finally, the inability to jump start the middle east peace process has been one of the president's bigger failures on foreign policy of the first term in office. though it's a failure that he didn't necessarily have a lot of control over. at the beginning of his first term, the president declared with great fanfare he wouldn't follow the lead of his predecessors presidents clinton and bush and wait until a second term to push for middl